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    <link:label id="lab_abvx_PropertyPlantAndEquipmentIncludingRightofuseAssets_documentation_fr" xlink:label="lab_abvx_PropertyPlantAndEquipmentIncludingRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Immobilisations corporelles incluant les actifs liés au droit d’utilisation</link:label>
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    <link:label id="lab_ifrs-full_FinanceIncomeCost_b94e638a-3b68-45e9-b262-ea5069765bdf_totalLabel_fr" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total Résultat financier</link:label>
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    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactions_documentation_fr" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Exercices de bons de souscription d’actions</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ExercicesDeBonsDeSouscriptionDactions" xlink:to="lab_abvx_ExercicesDeBonsDeSouscriptionDactions" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos_label_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions Kreos</link:label>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos_documentation_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos" xlink:href="abvx-2024-12-31.xsd#abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsKreos"/>
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    <link:label id="lab_abvx_CurrentReceivablesAndCurrentPrepaidExpenses_label_fr" xlink:label="lab_abvx_CurrentReceivablesAndCurrentPrepaidExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Créances et charges constatées d'avance courantes</link:label>
    <link:label id="lab_abvx_CurrentReceivablesAndCurrentPrepaidExpenses_documentation_fr" xlink:label="lab_abvx_CurrentReceivablesAndCurrentPrepaidExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Créances et charges constatées d'avance courantes</link:label>
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    <link:label id="lab_abvx_ProduitNetDesObligationsConvertibles_label_fr" xlink:label="lab_abvx_ProduitNetDesObligationsConvertibles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Produit net des obligations convertibles</link:label>
    <link:label id="lab_abvx_ProduitNetDesObligationsConvertibles_documentation_fr" xlink:label="lab_abvx_ProduitNetDesObligationsConvertibles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Produit net des obligations convertibles</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ProduitNetDesObligationsConvertibles" xlink:to="lab_abvx_ProduitNetDesObligationsConvertibles" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ObligataireConvertibleHeights_label_fr" xlink:label="lab_abvx_ObligataireConvertibleHeights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Obligataire Convertible Heights</link:label>
    <link:label id="lab_abvx_ObligataireConvertibleHeights_documentation_fr" xlink:label="lab_abvx_ObligataireConvertibleHeights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Obligataire Convertible Heights</link:label>
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    <link:label id="lab_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance_label_fr" xlink:label="lab_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Ajustements pour remboursement des avances conditionnelles Bpifrance</link:label>
    <link:label id="lab_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance_documentation_fr" xlink:label="lab_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Ajustements pour remboursement des avances conditionnelles Bpifrance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance" xlink:href="abvx-2024-12-31.xsd#abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance" xlink:to="lab_abvx_AjustementsPourRemboursementDesAvancesConditionnellesBpifrance" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription_label_fr" xlink:label="lab_abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Produits de l’émission d’actions autres que par l’exercice de bons de souscription</link:label>
    <link:label id="lab_abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription_documentation_fr" xlink:label="lab_abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Produits de l’émission d’actions autres que par l’exercice de bons de souscription</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription" xlink:href="abvx-2024-12-31.xsd#abvx_ProduitsDeLemissionDactionsAutresQueParLexerciceDeBonsDeSouscription"/>
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    <link:label id="lab_abvx_RepaymentsOfConvertibleLoanNotes_e7348dbc-ebeb-4ab3-a8db-2845ff0fb9c5_negatedLabel_fr" xlink:label="lab_abvx_RepaymentsOfConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Remboursements d'obligations convertibles</link:label>
    <link:label id="lab_abvx_RepaymentsOfConvertibleLoanNotes_label_fr" xlink:label="lab_abvx_RepaymentsOfConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Remboursements d'obligations convertibles</link:label>
    <link:label id="lab_abvx_RepaymentsOfConvertibleLoanNotes_documentation_fr" xlink:label="lab_abvx_RepaymentsOfConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">RepaymentsOfConvertibleLoanNotes</link:label>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_a20a6777-6769-4f7b-8395-edfe5ab175e7_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Fluxdetrésorerierésultant(utilisésdanslecadre)desactivitésavantvariationsdufondsderoulement</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites_label_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'émission d'actions gratuites</link:label>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites_documentation_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'émission d'actions gratuites</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites" xlink:href="abvx-2024-12-31.xsd#abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites" xlink:to="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALemissionDactionsGratuites" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles_label_fr" xlink:label="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Ajustements au titre de la désactualisation lié aux avances conditionnelles</link:label>
    <link:label id="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles_documentation_fr" xlink:label="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Ajustements au titre de la désactualisation lié aux avances conditionnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:href="abvx-2024-12-31.xsd#abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:to="lab_abvx_AjustementsAuTitreDeLaDesactualisationLieAuxAvancesConditionnelles" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_df68d540-f2bb-403a-9ac9-892d7202efc4_negatedTotalLabel_fr" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="fr">Total des charges opérationnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_896b03fd-8daf-4f78-8f84-96c929317e2a_negatedTotalLabel_fr" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="fr">Total Variation du besoin en fonds de roulement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ProduitNetDesCertificatsDeRedevances_label_fr" xlink:label="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Produit net des certificats de redevances</link:label>
    <link:label id="lab_abvx_ProduitNetDesCertificatsDeRedevances_documentation_fr" xlink:label="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Produit net des certificats de redevances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ProduitNetDesCertificatsDeRedevances" xlink:href="abvx-2024-12-31.xsd#abvx_ProduitNetDesCertificatsDeRedevances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ProduitNetDesCertificatsDeRedevances" xlink:to="lab_abvx_ProduitNetDesCertificatsDeRedevances" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos_label_fr" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Exercices de bons de souscription d’actions Kreos</link:label>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos_documentation_fr" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Exercices de bons de souscription d’actions Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:href="abvx-2024-12-31.xsd#abvx_ExercicesDeBonsDeSouscriptionDactionsKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:to="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_9f2aaeff-ad62-4c75-800e-71aa7f617ae0_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total Flux net de trésorerie lié aux activités opérationnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities_label_fr" xlink:label="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Partie non courante de prêts perçus hors certificats de royalties, d’obligations émises autres que des obligations convertibles et de passifs au titre de contrats de location</link:label>
    <link:label id="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities_documentation_fr" xlink:label="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Partie non courante de prêts perçus hors certificats de royalties, d’obligations émises autres que des obligations convertibles et de passifs au titre de contrats de location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:href="abvx-2024-12-31.xsd#abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:to="lab_abvx_NonCurrentPortionOfNonCurrentLoansReceivedExcludingRoyaltyCertificatesBondsOtherThanConvertibleNotesAndLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_PaiementsPourLesDepots_79a5f4cd-b527-451f-94b9-e4f7e3288a3d_negatedLabel_fr" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Paiements pour les dépôts</link:label>
    <link:label id="lab_abvx_PaiementsPourLesDepots_label_fr" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Paiements pour les dépôts</link:label>
    <link:label id="lab_abvx_PaiementsPourLesDepots_documentation_fr" xlink:label="lab_abvx_PaiementsPourLesDepots" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Paiements pour les dépôts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_PaiementsPourLesDepots" xlink:href="abvx-2024-12-31.xsd#abvx_PaiementsPourLesDepots"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_PaiementsPourLesDepots" xlink:to="lab_abvx_PaiementsPourLesDepots" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AvancesAuxCRO_769c946f-f8e0-42fe-9b76-db29b159b55c_negatedLabel_fr" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Achat d’autres actifs à long terme, classé dans les activités d’investissement</link:label>
    <link:label id="lab_abvx_AvancesAuxCRO_label_fr" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Avances aux CRO</link:label>
    <link:label id="lab_abvx_AvancesAuxCRO_documentation_fr" xlink:label="lab_abvx_AvancesAuxCRO" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Avances aux CRO</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AvancesAuxCRO" xlink:href="abvx-2024-12-31.xsd#abvx_AvancesAuxCRO"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AvancesAuxCRO" xlink:to="lab_abvx_AvancesAuxCRO" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SalesAndMarketingExpense_fc38d6bd-59c2-4d66-9212-12178466acae_negatedLabel_fr" xlink:label="lab_ifrs-full_SalesAndMarketingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Dépenses liées à la vente et à la commercialisation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SalesAndMarketingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_SalesAndMarketingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesAndMarketingExpense" xlink:to="lab_ifrs-full_SalesAndMarketingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos_label_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions autres que Kreos</link:label>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos_documentation_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions autres que Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:href="abvx-2024-12-31.xsd#abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:to="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_cc3e3d43-c089-4d01-9165-80b03a21ee15_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total Flux net de trésorerie lié aux opérations de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_98d42ace-b069-479a-b819-57f159310057_negatedLabel_fr" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Intérêts payés, classés dans les activités de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos_label_fr" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Exercices de bons de souscription d’actions autres que Kreos</link:label>
    <link:label id="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos_documentation_fr" xlink:label="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Exercices de bons de souscription d’actions autres que Kreos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:href="abvx-2024-12-31.xsd#abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:to="lab_abvx_ExercicesDeBonsDeSouscriptionDactionsAutresQueKreos" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_RemboursementsDobligationsNonConvertibles_ed802881-af25-490e-9865-b49ee055853b_negatedLabel_fr" xlink:label="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Remboursements d' obligations non convertibles</link:label>
    <link:label id="lab_abvx_RemboursementsDobligationsNonConvertibles_label_fr" xlink:label="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Remboursements d'obligations non convertibles</link:label>
    <link:label id="lab_abvx_RemboursementsDobligationsNonConvertibles_documentation_fr" xlink:label="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Remboursements d'obligations non convertibles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementsDobligationsNonConvertibles" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementsDobligationsNonConvertibles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_RemboursementsDobligationsNonConvertibles" xlink:to="lab_abvx_RemboursementsDobligationsNonConvertibles" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_NonCurrentConvertibleLoanNotes_label_fr" xlink:label="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Partie non courante d'obligations convertibles</link:label>
    <link:label id="lab_abvx_NonCurrentConvertibleLoanNotes_documentation_fr" xlink:label="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Partie non courante d'obligations convertibles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_NonCurrentConvertibleLoanNotes" xlink:href="abvx-2024-12-31.xsd#abvx_NonCurrentConvertibleLoanNotes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_NonCurrentConvertibleLoanNotes" xlink:to="lab_abvx_NonCurrentConvertibleLoanNotes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_6634de1c-5e74-4d1d-8fb8-3fb228f5c0ce_negatedLabel_fr" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Paiements de passifs au titre de contrats de location, classés dans les activités de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_VariationDeLaTresorerieAbstract_label_fr" xlink:label="lab_abvx_VariationDeLaTresorerieAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Variation de la trésorerie [Abstract]</link:label>
    <link:label id="lab_abvx_VariationDeLaTresorerieAbstract_documentation_fr" xlink:label="lab_abvx_VariationDeLaTresorerieAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Variation de la trésorerie</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_VariationDeLaTresorerieAbstract" xlink:href="abvx-2024-12-31.xsd#abvx_VariationDeLaTresorerieAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_VariationDeLaTresorerieAbstract" xlink:to="lab_abvx_VariationDeLaTresorerieAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_EmissionDactionsGratuites_label_fr" xlink:label="lab_abvx_EmissionDactionsGratuites" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Emission d'actions gratuites</link:label>
    <link:label id="lab_abvx_EmissionDactionsGratuites_documentation_fr" xlink:label="lab_abvx_EmissionDactionsGratuites" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Emission d'actions gratuites</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmissionDactionsGratuites" xlink:href="abvx-2024-12-31.xsd#abvx_EmissionDactionsGratuites"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_EmissionDactionsGratuites" xlink:to="lab_abvx_EmissionDactionsGratuites" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation_label_fr" xlink:label="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Partie courante de prêts perçus, d’obligations émises autres que des obligations convertibles et de passifs au titre de contrats de location</link:label>
    <link:label id="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation_documentation_fr" xlink:label="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Partie courante de prêts perçus, d’obligations émises autres que des obligations convertibles et de passifs au titre de contrats de location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:href="abvx-2024-12-31.xsd#abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:to="lab_abvx_PartieCouranteDePretsPercusDobligationsEmisesAutresQueDesObligationsConvertiblesEtDePassifsAuTitreDeContratsDeLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions_label_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions</link:label>
    <link:label id="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions_documentation_fr" xlink:label="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions émises grâce à l'exercice de bons de souscription d'actions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions" xlink:href="abvx-2024-12-31.xsd#abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions" xlink:to="lab_abvx_AugmentationDiminutionDuNombreDactionsEmisesGraceALexerciceDeBonsDeSouscriptionDactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_eb0cf1b3-3355-430f-b0fb-440876cbca31_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total Flux de trésorerie liés aux activités d'investissement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_ProduitNetDesObligationsNonConvertibles_label_fr" xlink:label="lab_abvx_ProduitNetDesObligationsNonConvertibles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Produit net des obligations non convertibles</link:label>
    <link:label id="lab_abvx_ProduitNetDesObligationsNonConvertibles_documentation_fr" xlink:label="lab_abvx_ProduitNetDesObligationsNonConvertibles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Produit net des obligations non convertibles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_ProduitNetDesObligationsNonConvertibles" xlink:href="abvx-2024-12-31.xsd#abvx_ProduitNetDesObligationsNonConvertibles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_ProduitNetDesObligationsNonConvertibles" xlink:to="lab_abvx_ProduitNetDesObligationsNonConvertibles" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_605e02a8-1d5e-4f0b-aeee-a742e5532956_negatedLabel_fr" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Achat d’immobilisations corporelles, classé dans les activités d’investissement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease_label_fr" xlink:label="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions ordinaires émises par augmentation de capital</link:label>
    <link:label id="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease_documentation_fr" xlink:label="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Augmentation Diminution du nombre d'actions ordinaires émises par augmentation de capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:href="abvx-2024-12-31.xsd#abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:to="lab_abvx_IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughCapitalIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_ccdec446-6b81-48f0-ae5c-265c1f0218fe_totalLabel_fr" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Augmentation (diminution) de la trésorerie et des équivalents de trésorerie après effet des variations des taux de change</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription_label_fr" xlink:label="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Émission de capitaux propres autre que par exercice de bons de souscription</link:label>
    <link:label id="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription_documentation_fr" xlink:label="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Émission de capitaux propres autre que par exercice de bons de souscription</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:href="abvx-2024-12-31.xsd#abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:to="lab_abvx_EmissionDeCapitauxPropresAutreQueParExerciceDeBonsDeSouscription" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_7db4df93-3e91-4bc1-847b-b2758ca465f1_negatedLabel_fr" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Frais généraux et administratifs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_DettesFiscalesEtSociales_label_fr" xlink:label="lab_abvx_DettesFiscalesEtSociales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Dettes fiscales et sociales</link:label>
    <link:label id="lab_abvx_DettesFiscalesEtSociales_documentation_fr" xlink:label="lab_abvx_DettesFiscalesEtSociales" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Dettes fiscales et sociales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_DettesFiscalesEtSociales" xlink:href="abvx-2024-12-31.xsd#abvx_DettesFiscalesEtSociales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_DettesFiscalesEtSociales" xlink:to="lab_abvx_DettesFiscalesEtSociales" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_fb85d865-587e-430a-81bb-3855d4122649_periodStartLabel_fr" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="fr">Number of shares issued</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_ef09e6ef-d4b6-46eb-b998-f5617d2df050_periodEndLabel_fr" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="fr">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_97a7b9ac-354a-4d80-acd8-6a11e25b9e61_totalLabel_fr" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total des produits opérationnels</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueAndOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueAndOperatingIncome" xlink:to="lab_ifrs-full_RevenueAndOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AvancesAuxHopitaux_label_fr" xlink:label="lab_abvx_AvancesAuxHopitaux" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Avances aux hôpitaux</link:label>
    <link:label id="lab_abvx_AvancesAuxHopitaux_documentation_fr" xlink:label="lab_abvx_AvancesAuxHopitaux" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Avances aux hôpitaux</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AvancesAuxHopitaux" xlink:href="abvx-2024-12-31.xsd#abvx_AvancesAuxHopitaux"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AvancesAuxHopitaux" xlink:to="lab_abvx_AvancesAuxHopitaux" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_ca856a11-f6ba-45d2-9c69-6b5c4461623c_negatedLabel_fr" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_RemboursementDesDepots_label_fr" xlink:label="lab_abvx_RemboursementDesDepots" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Remboursement des dépôts</link:label>
    <link:label id="lab_abvx_RemboursementDesDepots_documentation_fr" xlink:label="lab_abvx_RemboursementDesDepots" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Remboursement des dépôts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementDesDepots" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementDesDepots"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_RemboursementDesDepots" xlink:to="lab_abvx_RemboursementDesDepots" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsForShareIssueCosts_8e0d5c9c-ad7b-49b2-a289-5582ea98e0c3_negatedLabel_fr" xlink:label="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Paiements au titre des coûts d’émission d’actions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PaymentsForShareIssueCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsForShareIssueCosts" xlink:to="lab_ifrs-full_PaymentsForShareIssueCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities_400e7de1-6f84-4ab7-83be-22e44dc400d8_negatedLabel_fr" xlink:label="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Paiements pour les dépôts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfOtherLongtermAssetsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_EmpruntObligataireConvertibleOCEANE_label_fr" xlink:label="lab_abvx_EmpruntObligataireConvertibleOCEANE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Emprunt obligataire convertible OCEANE</link:label>
    <link:label id="lab_abvx_EmpruntObligataireConvertibleOCEANE_documentation_fr" xlink:label="lab_abvx_EmpruntObligataireConvertibleOCEANE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Emprunt obligataire convertible OCEANE</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_EmpruntObligataireConvertibleOCEANE" xlink:href="abvx-2024-12-31.xsd#abvx_EmpruntObligataireConvertibleOCEANE"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_EmpruntObligataireConvertibleOCEANE" xlink:to="lab_abvx_EmpruntObligataireConvertibleOCEANE" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_b3fd051a-9be7-4c70-a33c-d9976e321154_negatedLabel_fr" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Remboursement des avances conditionnelles</link:label>
    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_label_fr" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Remboursement des avances conditionnelles</link:label>
    <link:label id="lab_abvx_RemboursementDesAvancesConditionnelles_documentation_fr" xlink:label="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Remboursement des avances conditionnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_RemboursementDesAvancesConditionnelles" xlink:href="abvx-2024-12-31.xsd#abvx_RemboursementDesAvancesConditionnelles"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_RemboursementDesAvancesConditionnelles" xlink:to="lab_abvx_RemboursementDesAvancesConditionnelles" xlink:type="arc" order="1"/>
    <link:label id="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres_label_fr" xlink:label="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Ajustements pour gain net sur vente d’actions propres</link:label>
    <link:label id="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres_documentation_fr" xlink:label="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Ajustements pour gain net sur vente d’actions propres</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:href="abvx-2024-12-31.xsd#abvx_AjustementsPourGainNetSurVenteDactionsPropres"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:to="lab_abvx_AjustementsPourGainNetSurVenteDactionsPropres" xlink:type="arc" order="1"/>
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